Heritage Craft //
Modern Living //
Southern Utah //
Studios in St. George & Cedar City, UT
Building across
Washington · Iron · Kane Counties
Casteca Homes, Custom Home Builder in St. George and Cedar City, Southern Utah
Casteca Homes designs and builds architectural custom and new construction homes across Southern Utah, from Parowan to St. George.
- Licensed Utah General Contractor
- Insured & Bonded
- 2-Year Workmanship Warranty
- Member, Utah Home Builders Association
- BBB Accredited
- Energy-Efficient Construction
- Serving Washington, Iron & Kane Counties
- Studios in St. George & Cedar City
- Architect-Led Design
- Free Discovery Consultation
- Licensed Utah General Contractor
- Insured & Bonded
- 2-Year Workmanship Warranty
- Member, Utah Home Builders Association
- BBB Accredited
- Energy-Efficient Construction
- Serving Washington, Iron & Kane Counties
- Studios in St. George & Cedar City
- Architect-Led Design
- Free Discovery Consultation
(01), The Studio
We build homes that feel inevitable on the land, architectural, durable, and unmistakably Southern Utah.
Licensed
Utah General Contractor, insured and bonded
23
Cities served, from Parowan to St. George
2
Studios — St. George and Cedar City, by appointment
2-yr
Workmanship warranty on every Casteca home
Casteca Homes is a Southern Utah custom home builder and new construction contractor based in St. George, with a second studio in Cedar City. We design, permit, and build architectural homes for clients across Washington County, Iron County, and Kane County, including St. George, Washington, Hurricane, Ivins, Santa Clara, Cedar City, Kanab, Springdale, and Pine Valley.
Whether you are building a custom home on your own land, looking for a move-in ready new construction home, or planning a major renovation, our in-house team handles design, permitting, scheduling, and construction under one roof. One project lead, one timeline, one accountable builder, from the first walk on your lot to the day we hand over the keys.
(02), Featured Custom Homes
Discover the homes we have built.
A selection of recently completed custom homes across Southern Utah. Each one designed around the land, the light, and the people who live inside.
Kayenta Canyon Residence
20254 bd · 4.5 ba · 5,240 sq ft
Snow Canyon Modernist
20245 bd · 5.5 ba · 6,180 sq ft
Coral Cliffs Estate
20246 bd · 6.5 ba · 7,420 sq ft
Zion Overlook Residence
20254 bd · 4 ba · 4,180 sq ft
Pine Valley Lodge
20245 bd · 4 ba · 4,860 sq ft
Vermilion House
20253 bd · 3.5 ba · 3,640 sq ft
(03), Available Now
Move-in-ready, designed by Casteca.
New construction homes available across Southern Utah. Designer finishes, energy-efficient construction, and lots we hand-picked ourselves.
Ledges Modern No. 12
$2,495,000245 N Sage Cliff Dr, St. George, UT 84770
5 bd · 5.5 ba · 5,240 sq ft
Kayenta Spec Residence
$2,895,0001402 W Sandstone Ridge Rd, Ivins, UT 84738
4 bd · 4.5 ba · 4,180 sq ft
Coral Canyon Estate No. 3
$1,985,000Coral Canyon Pkwy, Washington, UT 84780
5 bd · 5 ba · 4,960 sq ft
(04), Our Process
Six steps.
One team.
From the first walk on your land to the day we hand over the keys, you will work with one project lead and a local Southern Utah team. No subbed-out chaos.
- · Discovery and lot analysis
- · Schematic design and 3D massing
- · Materials, finishes, and design development
- · Permitting in Washington, Iron, and Kane counties
- · In-house construction with weekly walkthroughs
- · Keys, plus a 2-year workmanship warranty
01
Discovery
Listen, learn, walk the land at sunrise and sunset.
02
Site & Schematic
Sun, wind, view corridors, easements, soil reports.
03
Design
Materials, finishes, the thousand details that make it custom.
04
Permits
Washington, Iron, and Kane counties, every HOA we know.
05
Build
In-house team, weekly walkthroughs, real-time project portal.
06
Keys
2-year warranty. Ongoing relationship, on call when you need us.
Google Reviews
What our clients say.
“Casteca built the home we had been imagining for fifteen years. Every detail, the timber ceilings, the way the morning light hits the great room, exactly as Brett promised in the first meeting.”
Andrea and Marcus Holloway
Custom Home, Ivins
View on Google“We have owned three homes built by other Southern Utah firms. Casteca was a different category. Communication was constant, the schedule held, and the craftsmanship is on a level we had not seen here before.”
James Whitfield
Custom Home, St. George
View on Google“They took our home from a sketch on a napkin to keys in nine months. We walked in for the first time and cried. It just felt like ours.”
Priya and Daniel Shah
Available Home Purchase, Washington
View on Google“Working with Casteca was the easiest part of building a 6,000 square foot home. They run a tight ship and they actually answer the phone.”
Eleanor Pace
Custom Home, Hurricane
View on GoogleBased on the Casteca Homes Google Business Profile. Reviews refresh hourly when Google Places API is configured.
(05), Client Testimonials
What it feels like to build with Casteca.
Honest words from homeowners across Southern Utah who trusted us with their largest investment, and who we still call friends.
“Casteca built the home we had been imagining for fifteen years. Every detail, the timber ceilings, the way the morning light hits the great room, exactly as Brett promised in the first meeting.”
“We have owned three homes built by other Southern Utah firms. Casteca was a different category. Communication was constant, the schedule held, and the craftsmanship is on a level we had not seen here before.”
“They took our home from a sketch on a napkin to keys in nine months. We walked in for the first time and cried. It just felt like ours.”
“Working with Casteca was the easiest part of building a 6,000 square foot home. They run a tight ship and they actually answer the phone.”
(06), Where We Build
Every corner of Southern Utah.
From the red rock of St. George to the alpine air of Brian Head, Casteca builds custom homes across 23 communities in Washington, Iron, and Kane counties.
(07), Frequently Asked
Things we hear most.
Have a question we have not answered? Reach out, we will respond within one business day.
How long does a custom Casteca home take from contract to keys?
Where in Southern Utah do you build?
Do I need to own the lot before I contact you?
What is the difference between a custom build and your available homes?
Can I tour a finished Casteca home before signing?
Do you handle interior design?
What does a custom home cost per square foot in Southern Utah?
Are you licensed and insured?
(08), Begin
Let us design
the home you will keep.
Tell us about your land, your timeline, and what you are imagining. We respond within one business day to schedule a discovery call at our St. George or Cedar City studio.